DEVELOPED SECTION for AutoCAD 1.7 An add-on for AUTOCAD 2002-2018 or BricsCAD V15-V17, which determines the unfolded section of one set of 3DSOLID, 3DMESH or 3DFACE entities and vertical planes passing through a 2D POLYLINE which may contain arcs, in XOY plane.
3DINTERSECTION for AutoCAD 4.1 An application for AUTOCAD 2002-2014, which determines the intersection curves between 2 sets consisting of 3DFACE, 3DSOLID or 3DMESH entities. It can also generate cross sections to a POLYLINE and can draw the conversion to 3DFACE of the 3DSOLID.
WinWatermark 2.0, Leaving Mark For The Future Digital watermarks is a reasonable and easy method of photography attribution. Attributed photos are «better» in the most cases: for yourself and your family (remembering «when it was?»/«where it was?»), for techincal questions («how it can be shot, which camera and settings?»), for legal purposes (nobody can easily reuse your photos without attributing them to you). But before adding watermarks